/**
 * Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
 * http://github.com/fonoster/fonoster
 *
 * This file is part of Fonoster
 *
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    https://opensource.org/licenses/MIT
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import fs from "fs";
import handlebars from "handlebars";

type CompileTemplateParams = {
  filePath: string;
  data: Record<string, string>;
};

function compileTemplate(params: CompileTemplateParams) {
  const { filePath, data } = params;

  if (!fs.existsSync(filePath)) {
    throw new Error(`Template file not found: ${filePath}`);
  }

  const source = fs.readFileSync(filePath, "utf-8").toString();
  const template = handlebars.compile(source);
  return template(data);
}

export { CompileTemplateParams, compileTemplate };
